* Normally this is always true, but it's false for dropped columns, as well
* as those that were inherited without any local definition. (If we print
* such a column it will mistakenly get pg_attribute.attislocal set to true.)
- * However, in binary_upgrade mode, we must print all such columns anyway and
- * fix the attislocal/attisdropped state later, so as to keep control of the
- * physical column order.
+ * For partitions, it's always true, because we want the partitions to be
+ * created independently and ATTACH PARTITION used afterwards.
+ *
+ * In binary_upgrade mode, we must print all columns and fix the attislocal/
+ * attisdropped state later, so as to keep control of the physical column
+ * order.
*
* This function exists because there are scattered nonobvious places that
* must be kept in sync with this decision.
{
if (dopt->binary_upgrade)
return true;
- return (tbinfo->attislocal[colno] && !tbinfo->attisdropped[colno]);
+ if (tbinfo->attisdropped[colno])
+ return false;
+ return (tbinfo->attislocal[colno] || tbinfo->ispartition);
}
if (tbinfo->reloftype && !dopt->binary_upgrade)
appendPQExpBuffer(q, " OF %s", tbinfo->reloftype);
- /*
- * If the table is a partition, dump it as such; except in the case of
- * a binary upgrade, we dump the table normally and attach it to the
- * parent afterward.
- */
- if (tbinfo->ispartition && !dopt->binary_upgrade)
- {
- TableInfo *parentRel = tbinfo->parents[0];
-
- /*
- * With partitions, unlike inheritance, there can only be one
- * parent.
- */
- if (tbinfo->numParents != 1)
- exit_horribly(NULL, "invalid number of parents %d for table \"%s\"\n",
- tbinfo->numParents, tbinfo->dobj.name);
-
- appendPQExpBuffer(q, " PARTITION OF %s",
- fmtQualifiedDumpable(parentRel));
- }
-
if (tbinfo->relkind != RELKIND_MATVIEW)
{
/* Dump the attributes */
(!tbinfo->inhNotNull[j] ||
dopt->binary_upgrade));
- /*
- * Skip column if fully defined by reloftype or the
- * partition parent.
- */
- if ((tbinfo->reloftype || tbinfo->ispartition) &&
- !has_default && !has_notnull && !dopt->binary_upgrade)
+ /* Skip column if fully defined by reloftype */
+ if (tbinfo->reloftype && !has_default && !has_notnull &&
+ !dopt->binary_upgrade)
continue;
/* Format properly if not first attr */
* clean things up later.
*/
appendPQExpBufferStr(q, " INTEGER /* dummy */");
- /* Skip all the rest, too */
+ /* and skip to the next column */
continue;
}
/*
- * Attribute type
- *
- * In binary-upgrade mode, we always include the type. If
- * we aren't in binary-upgrade mode, then we skip the type
- * when creating a typed table ('OF type_name') or a
- * partition ('PARTITION OF'), since the type comes from
- * the parent/partitioned table.
+ * Attribute type; print it except when creating a typed
+ * table ('OF type_name'), but in binary-upgrade mode,
+ * print it in that case too.
*/
- if (dopt->binary_upgrade || (!tbinfo->reloftype && !tbinfo->ispartition))
+ if (dopt->binary_upgrade || !tbinfo->reloftype)
{
appendPQExpBuffer(q, " %s",
tbinfo->atttypnames[j]);
if (actual_atts)
appendPQExpBufferStr(q, "\n)");
- else if (!((tbinfo->reloftype || tbinfo->ispartition) &&
- !dopt->binary_upgrade))
+ else if (!(tbinfo->reloftype && !dopt->binary_upgrade))
{
/*
- * We must have a parenthesized attribute list, even though
- * empty, when not using the OF TYPE or PARTITION OF syntax.
+ * No attributes? we must have a parenthesized attribute list,
+ * even though empty, when not using the OF TYPE syntax.
*/
appendPQExpBufferStr(q, " (\n)");
}
- if (tbinfo->ispartition && !dopt->binary_upgrade)
- {
- appendPQExpBufferStr(q, "\n");
- appendPQExpBufferStr(q, tbinfo->partbound);
- }
-
- /* Emit the INHERITS clause, except if this is a partition. */
- if (numParents > 0 &&
- !tbinfo->ispartition &&
+ /*
+ * Emit the INHERITS clause (not for partitions), except in
+ * binary-upgrade mode.
+ */
+ if (numParents > 0 && !tbinfo->ispartition &&
!dopt->binary_upgrade)
{
appendPQExpBufferStr(q, "\nINHERITS (");
appendPQExpBufferStr(q, "::pg_catalog.regclass;\n");
}
- if (numParents > 0)
+ if (numParents > 0 && !tbinfo->ispartition)
{
- appendPQExpBufferStr(q, "\n-- For binary upgrade, set up inheritance and partitioning this way.\n");
+ appendPQExpBufferStr(q, "\n-- For binary upgrade, set up inheritance this way.\n");
for (k = 0; k < numParents; k++)
{
TableInfo *parentRel = parents[k];
- /* In the partitioning case, we alter the parent */
- if (tbinfo->ispartition)
- appendPQExpBuffer(q,
- "ALTER TABLE ONLY %s ATTACH PARTITION ",
- fmtQualifiedDumpable(parentRel));
- else
- appendPQExpBuffer(q, "ALTER TABLE ONLY %s INHERIT ",
- qualrelname);
-
- /* Partition needs specifying the bounds */
- if (tbinfo->ispartition)
- appendPQExpBuffer(q, "%s %s;\n",
- qualrelname,
- tbinfo->partbound);
- else
- appendPQExpBuffer(q, "%s;\n",
- fmtQualifiedDumpable(parentRel));
+ appendPQExpBuffer(q, "ALTER TABLE ONLY %s INHERIT %s;\n",
+ qualrelname,
+ fmtQualifiedDumpable(parentRel));
}
}
}
}
+ /*
+ * For partitioned tables, emit the ATTACH PARTITION clause. Note
+ * that we always want to create partitions this way instead of using
+ * CREATE TABLE .. PARTITION OF, mainly to preserve a possible column
+ * layout discrepancy with the parent, but also to ensure it gets the
+ * correct tablespace setting if it differs from the parent's.
+ */
+ if (tbinfo->ispartition)
+ {
+ /* With partitions there can only be one parent */
+ if (tbinfo->numParents != 1)
+ exit_horribly(NULL, "invalid number of parents %d for table \"%s\"",
+ tbinfo->numParents, tbinfo->dobj.name);
+
+ /* Perform ALTER TABLE on the parent */
+ appendPQExpBuffer(q,
+ "ALTER TABLE ONLY %s ATTACH PARTITION %s %s;\n",
+ fmtQualifiedDumpable(parents[0]),
+ qualrelname, tbinfo->partbound);
+ }
+
/*
* In binary_upgrade mode, arrange to restore the old relfrozenxid and
* relminmxid of all vacuumable relations. (While vacuum.c processes
projects / postgresql / commitdiff